In the Dajing Dynasty, the imperial power was centralized, but the power was decentralized among the aristocratic families. The Marquis of Zhenbei holds the military power in northern Xinjiang, and forms a check and balance with the civil servant group in the court (headed by the Prime Minister) and the forces in the East Palace, and the undercurrents of the border and the capital are intertwined. There are twins born in the Zhenbei Hou Mansion. The younger sister Nangong Jin was born weak and was sent to the deep valley to be raised by the master of the valley, a miracle doctor. My sister, Nangong Yao, is the legitimate daughter of the Marquis of Zhenbei. She was raised in the Marquis's mansion since she was a child and loves the prince wholeheartedly. Unexpectedly, the Crown Prince of Dajing was gentle and gentle on the surface, but in fact he was extremely ambitious. In order to seize power, he did not hesitate to conspire with the Prime Minister to frame the Zhenbei Hou Mansion. Nangong Jin went to the cold palace for her sister and mistakenly entered the second prince's bedroom. Seven songs were pressed against her neck instantly...